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OBDII/EOBD diagnostics trouble codes definition

If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX).

Also there is a list of more than 13500 additional manufacturer specific codes.

Supported manufacturers with specific OBD2 codes:


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Definition of check engine code P1787:

Chrysler/Dodge/Jeep

Hydraulic Pressure Switch: OD

Citroen/Peugeot

2-1 Downshift Error

Daewoo

HYDRO SYSTEM MAL

Ford

2-1 Downshift Error

Lincoln

2-1 Downshift Error

Mercury

2-1 Downshift Error

Oldsmobile

2-1 Downshift Error

Volkswagen/Audi

Reversing Light Circ. Short to Ground

Volvo

Reversing Light Circ. Short to Ground
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